Surfboard



FIG. 1 is a top plan view of a surfboard showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top perspective view thereof.

The lines shown on the surfboard are a graphic pattern on the surfboard.

The ornamental design for a surfboard, as shown and described.